| Team | Tm | Tier | Game |
|---|---|---|---|
| Baltimore Orioles | BAL | 2.26 | 195809130_BAL_DET |
| New York Yankees | NYA | 2.09 | 195809120_NYA_CHA |
| Chicago Cubs | CHN | 1.46 | 195809120_CHN_CIN |
| Pittsburgh Pirates | PIT | 1.3 | 195809130_LAN_PIT |
| Milwaukee Braves | ATL | 0.36 | 195809120_SLN_ATL |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Washington Senators | MIN | -5.12 | 195809130_MIN_OAK |
| St. Louis Cardinals | SLN | -2.55 | 195809130_SLN_ATL |
| Kansas City Athletics | OAK | -1.99 | 195809120_MIN_OAK |
| Los Angeles Dodgers | LAN | -1.48 | 195809120_LAN_PIT |
| Philadelphia Phillies | PHI | -0.52 | 195809130_SFN_PHI |
Based on accumulated WAA for this season up to 1958-09-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +037+ | 3.46 | Hoyt Wilhelm | 112.7 | TOT |
| +056+ | 2.55 | Ryne Duren | 65 | NYA |
| +060+ | 2.31 | Art Ditmar | 131.7 | NYA |
| +061+ | 2.3 | Roy Face | 80 | PIT |
| +071+ | 2.13 | Don Elston | 85 | CHN |
| +077+ | 1.95 | Barry Latman | 31 | CHA |
| +085+ | 1.74 | Bill Henry | 69.3 | CHN |
| +090+ | 1.57 | Jim Brosnan | 161 | TOT |
| +092+ | 1.52 | Willard Schmidt | 68.3 | CIN |
| XXXXX | 1.24 | Leo Kiely | 69.7 | BOS |
| XXXXX | 0.99 | Jim Grant | 197 | CLE |
| XXXXX | 0.99 | Bob Porterfield | 88.7 | TOT |
| XXXXX | 0.92 | Murray Wall | 108 | BOS |
| XXXXX | 0.87 | Gordon Jones | 28.3 | SFN |
| XXXXX | 0.81 | Billy Loes | 108.7 | BAL |
| XXXXX | 0.81 | Orlando Pena | 9 | CIN |
| XXXXX | 0.77 | Ron Blackburn | 63.3 | PIT |
| XXXXX | 0.68 | Tom Gorman | 85 | OAK |
| XXXXX | 0.67 | George Zuverink | 67.7 | BAL |
| XXXXX | 0.66 | Glen Hobbie | 165 | CHN |
| XXXXX | 0.63 | Bob Rush | 130 | ATL |
| XXXXX | 0.4 | Turk Farrell | 86.3 | PHI |
| XXXXX | 0.39 | Ken Lehman | 60 | BAL |
| XXXXX | 0.28 | Don Gross | 74 | PIT |
| XXXXX | 0.26 | Al Worthington | 147.7 | SFN |
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